source:
code/branches/presentation/src/orxonox/objects/worldentities/Camera.cc
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[1505] | 1 | /* |
2 | * ORXONOX - the hottest 3D action shooter ever to exist | |
3 | * > www.orxonox.net < | |
4 | * | |
5 | * | |
6 | * License notice: | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * as published by the Free Software Foundation; either version 2 | |
11 | * of the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
21 | * | |
22 | * Author: | |
23 | * Fabian 'x3n' Landau | |
24 | * Co-authors: | |
25 | * Benjamin Knecht | |
26 | * | |
27 | */ | |
28 | ||
29 | #include "OrxonoxStableHeaders.h" | |
30 | #include "Camera.h" | |
31 | ||
32 | #include <string> | |
[2019] | 33 | #include <cassert> |
[1505] | 34 | |
[2023] | 35 | #include <OgreCamera.h> |
[1505] | 36 | #include <OgreSceneManager.h> |
37 | #include <OgreSceneNode.h> | |
38 | ||
[2171] | 39 | #include "util/Exception.h" |
[1505] | 40 | #include "core/CoreIncludes.h" |
[2019] | 41 | #include "core/ConfigValueIncludes.h" |
42 | #include "objects/Scene.h" | |
[2073] | 43 | #include "CameraManager.h" |
[1505] | 44 | |
45 | namespace orxonox | |
46 | { | |
[2019] | 47 | CreateFactory(Camera); |
[1993] | 48 | |
[2459] | 49 | Camera::Camera(BaseObject* creator) : StaticEntity(creator) |
[2019] | 50 | { |
51 | RegisterObject(Camera); | |
[1505] | 52 | |
[2485] | 53 | if (!this->getScene()) |
54 | ThrowException(AbortLoading, "Can't create Camera, no scene."); | |
55 | if (!this->getScene()->getSceneManager()) | |
56 | ThrowException(AbortLoading, "Can't create Camera, no scene-manager given."); | |
57 | if (!this->getScene()->getRootSceneNode()) | |
58 | ThrowException(AbortLoading, "Can't create Camera, no root-scene-node given."); | |
[1505] | 59 | |
[2019] | 60 | this->camera_ = this->getScene()->getSceneManager()->createCamera(getUniqueNumberString()); |
[2485] | 61 | this->cameraNode_ = this->getScene()->getRootSceneNode()->createChildSceneNode(); |
62 | this->attachNode(this->cameraNode_); | |
63 | this->cameraNode_->attachObject(this->camera_); | |
[2019] | 64 | |
65 | this->bHasFocus_ = false; | |
66 | this->bDrag_ = false; | |
67 | this->nearClipDistance_ = 1; | |
68 | ||
69 | this->setObjectMode(0x0); | |
70 | ||
71 | this->setConfigValues(); | |
72 | this->configvaluecallback_changedNearClipDistance(); | |
73 | } | |
74 | ||
75 | Camera::~Camera() | |
[1989] | 76 | { |
[2019] | 77 | if (this->isInitialized()) |
78 | { | |
79 | this->releaseFocus(); | |
[2485] | 80 | |
81 | this->cameraNode_->detachAllObjects(); | |
82 | this->getScene()->getSceneManager()->destroyCamera(this->camera_); | |
83 | ||
84 | if (this->bDrag_) | |
85 | this->detachNode(this->cameraNode_); | |
86 | ||
87 | if (this->getScene()->getSceneManager()) | |
88 | this->getScene()->getSceneManager()->destroySceneNode(this->cameraNode_->getName()); | |
[2019] | 89 | } |
[1989] | 90 | } |
[1505] | 91 | |
[2019] | 92 | void Camera::setConfigValues() |
93 | { | |
94 | SetConfigValue(nearClipDistance_, 1.0f).callback(this, &Camera::configvaluecallback_changedNearClipDistance); | |
95 | } | |
[1505] | 96 | |
[2019] | 97 | void Camera::configvaluecallback_changedNearClipDistance() |
98 | { | |
99 | this->camera_->setNearClipDistance(this->nearClipDistance_); | |
100 | } | |
[1505] | 101 | |
[2019] | 102 | void Camera::tick(float dt) |
103 | { | |
[2485] | 104 | SUPER(Camera, tick, dt); |
[1505] | 105 | |
[2485] | 106 | if (this->bDrag_) |
107 | { | |
108 | // this stuff here may need some adjustments | |
109 | float coeff = min(1.0f, 15.0f * dt); | |
[1505] | 110 | |
[2527] | 111 | Vector3 offset = this->getWorldPosition() - this->cameraNode_->getWorldPosition(); |
[2485] | 112 | this->cameraNode_->translate(coeff * offset); |
113 | ||
[2497] | 114 | this->cameraNode_->setOrientation(Quaternion::Slerp(coeff, this->cameraNode_->getWorldOrientation(), this->getWorldOrientation(), true)); |
[2485] | 115 | //this->cameraNode_->setOrientation(this->getWorldOrientation()); |
116 | } | |
[2019] | 117 | } |
[1505] | 118 | |
[2019] | 119 | void Camera::requestFocus() |
120 | { | |
[2073] | 121 | CameraManager::getInstance().requestFocus(this); |
[2019] | 122 | } |
[1989] | 123 | |
[2019] | 124 | void Camera::releaseFocus() |
125 | { | |
[2073] | 126 | CameraManager::getInstance().releaseFocus(this); |
[2019] | 127 | } |
128 | ||
129 | /** | |
130 | what to do when camera loses focus (do not request focus in this function!!) | |
[2073] | 131 | this is called by the CameraManager singleton class to notify the camera |
[2019] | 132 | */ |
133 | void Camera::removeFocus() | |
134 | { | |
135 | this->bHasFocus_ = false; | |
136 | } | |
137 | ||
[2485] | 138 | void Camera::setFocus() |
[2019] | 139 | { |
140 | this->bHasFocus_ = true; | |
[2485] | 141 | CameraManager::getInstance().useCamera(this->camera_); |
[2019] | 142 | } |
[2485] | 143 | |
144 | void Camera::setDrag(bool bDrag) | |
145 | { | |
146 | if (bDrag != this->bDrag_) | |
147 | { | |
148 | this->bDrag_ = bDrag; | |
149 | ||
150 | if (!bDrag) | |
151 | { | |
152 | this->attachNode(this->cameraNode_); | |
153 | this->cameraNode_->setPosition(Vector3::ZERO); | |
154 | this->cameraNode_->setOrientation(Quaternion::IDENTITY); | |
155 | } | |
156 | else | |
157 | { | |
158 | this->detachNode(this->cameraNode_); | |
159 | this->cameraNode_->setPosition(this->getWorldPosition()); | |
160 | this->cameraNode_->setOrientation(this->getWorldOrientation()); | |
161 | } | |
162 | } | |
163 | } | |
[1505] | 164 | } |
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